"Disprover" is a word in ENGLISH

disprover ENGLISH
Definition:

One who disproves or confutes.

Few words of positivity

It's hard to be an articulate ghost.

Mary Karr, Lit

WORD SUGGESTIONS
Laugh your heart out.

What do you get if you cross a vampire with a snail? I don't know but it would slow him down.

confuter ENGLISH

One who confutes or disproves.

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experiment ENGLISH

Atrial or special observation, made to confirm or disprove something doubtful; esp., one under conditions determined by the experimenter; an …

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State Of Facts LAW AND LEGAL

Formerly, when a master in chancery was directed by the court of chancery to make an inquiry or investiga-tion lnto …

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